<?php
    session_start();
    $userName = $_SESSION['username_session'];
?>
<html>
    <head>
        <meta http-equiv="Content-Type" content="text/html;charset=UTF-8">
        <title>欢迎页面</title>
    </head>
    <body>
        welcome：<?php echo $userName;?>
        <a href="goodsList.php">商品列表</a>
    </body>
</html>